Iron-magnetic
nanoparticles
(Fe-NMP)
are
widely
used
in
environmental
remediation,
while
porphyrin-based
hybrid
materials
anchored
to
Fe-NMP
have
been
tested
water
disinfection.
As
there’s
a
high
chance
of
being
released
into
the
environment,
it’s
fundamental
evaluate
safety
these
NP
on
living
organisms,
like
plants.
Here,
we
investigated
impact
three
doses
porphyrinic
formulation
(FORM)
as
photoantimicrobial
agent,
Fe3O4-NMP
coated
with
aminopropyl
groups
(NH2@NMP),
and
immobilized
FORM
surface
NH2@NMP
(FORM@NMP)
wheat
(Triticum
aestivum
L.).
The
results
showed
no
major
impairments
germination
or
seedling
development,
despite
discrete
biomass
decrease
membrane
properties
changes.
Concerning
tiller
phase,
leaf
length
was
stimulated
(FORM@NMP
NH2@NMP)
photosynthesis
differently
impacted:
pigments
increased
by
and/or
NH2@NMP;
FORM@NMP
promoted
gas
exchange;
all
treatments
improved
photochemical
phase.
Regarding
oxidative
stress,
lipid
peroxidation
decreased
FORM@NMP,
yet
O2-•
FORM@NMP;
total
flavonoids
(NH2@NMP)
antioxidant
enzymes
(all
materials)
declined.
phenolic
profiling
revealed
generalized
trend
flavones,
except
1.5
mg
L–1
FORM.
In
conclusion,
potential
modulate
physiology/metabolism,
nevertheless
without
inducing
phytotoxicity,
highlighting
their
wastewater
remediation.
The International Journal of Lower Extremity Wounds,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 15, 2024
Nanohydrogel
wound
healing
refers
to
the
use
of
nanotechnology-based
hydrogel
materials
promote
wounds.
Hydrogel
dressings
are
made
up
a
three-dimensional
network
hydrophilic
polymers
that
can
absorb
and
retain
large
amounts
water
or
other
fluids.
Nanohydrogels
take
this
concept
further
by
incorporating
nanoscale
particles
structures
into
matrix.
These
nanoparticles
be
various
materials,
such
as
silver,
zinc
oxide,
derived
from
natural
substances
like
chitosan.
The
inclusion
provide
additional
properties
benefits
dressings.
designed
release
bioactive
substances,
growth
factors
drugs,
in
controlled
manner.
This
allows
for
targeted
delivery
therapeutics
site,
promoting
reducing
inflammation.
Nanoparticles
reinforce
structure
hydrogels,
improving
their
mechanical
strength
stability.
often
incorporate
antimicrobial
nanoparticles,
silver
oxide.
have
shown
effective
activity
against
wide
range
bacteria,
fungi,
pathogens.
By
them
dressings,
nanohydrogels
help
prevent
reduce
risk
infection
encapsulate
factors,
peptides,
sustained
therapeutic
agents
promotes
facilitating
cell
proliferation,
inflammation,
supporting
tissue
regeneration.
unique
nanohydrogels,
including
ability
maintain
moist
environment
deliver
agents,
accelerate
process.
creating
an
optimal
repair,
faster
more
efficient
Journal of Hazardous Materials,
Journal Year:
2024,
Volume and Issue:
471, P. 134243 - 134243
Published: April 12, 2024
Iron-magnetic
nanoparticles
(Fe-NMPs)
are
widely
used
in
environmental
remediation,
while
porphyrin-based
hybrid
materials
anchored
to
silica-coated
Fe3O4-nanoparticles
(Fe3O4-NPs)
have
been
for
water
disinfection
purposes.
To
assess
their
safety
on
plants,
especially
concerning
potential
release,
it
was
investigated
the
first
time,
impact
plants
of
a
Fe3O4-NPs
bearing
porphyrinic
formulation
(FORM)
-
FORM@NMP.
Additionally,
FORM
alone
and
magnetic
without
(NH2@NMP)
were
comparison.
Wheat
(Triticum
aestivum
L.)
chosen
as
model
species
subjected
three
environmentally
relevant
doses
during
germination
tiller
development
through
root
application.
Morphological,
physiological,
metabolic
parameters
assessed.
Despite
modest
biomass
decrease
alterations
membrane
properties,
no
major
impairments
or
seedling
observed.
During
phase,
both
increased
leaf
length,
photosynthesis
exhibited
varied
impacts:
pigments;
only
promoted
gas
exchange;
all
treatments
improved
photochemical
phase.
Regarding
oxidative
stress,
lipid
peroxidation
decreased
FORM@NMP,
yet
with
O2-•
FORM@NMP;
total
flavonoids
NH2@NMP
antioxidant
enzymes
declined
across
materials.
Phenolic
profiling
revealed
generalized
trend
towards
flavones.
In
conclusion,
these
can
modulate
wheat
physiology/metabolism
apparently
inducing
phytotoxicity
at
low
short-time
exposure.
remediation
fertilization,
besides
new
applications
continuously
being
developed,
making
them
emerging
contaminants.
Soil
is
sink
fate
risks
ecosystems
must
be
addressed
achieve
more
sustainable
applications.
Furthermore,
reuse
treated
wastewater
agricultural
irrigation
claimed,
importance
disclose
crops
decontamination,
such
those
proposed
this
work.
